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Mathematics
Problem
Let
g
:
[
0
,
∞
)
→
[
0
,
∞
)
g:[0,\infty)\rightarrow[0,\infty)
g
:
[
0
,
∞
)
→
[
0
,
∞
)
be defined by
g
(
x
)
=
x
2
+
4
x
g(x)=x^{2}+4x
g
(
x
)
=
x
2
+
4
x
. Decide whether
g
g
g
is bijective on the stated domain and co-domain. Give a short justification.
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